.help-container {
  padding: 0;
  min-height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

/* 页面头部 */
.page-header {
  padding: 60px 40px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.page-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-header p {
  font-size: 1.2rem;
  color: #718096;
  margin: 0;
}

/* 帮助内容 */
.help-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px;
}

/* 搜索区域 */
.help-search {
  margin-bottom: 40px;
}

.search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-box input {
  width: 100%;
  padding: 16px 20px 16px 55px;
  border: 2px solid #e2e8f0;
  border-radius: 16px;
  font-size: 1.1rem;
  background: white;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.search-box input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1), 0 8px 30px rgba(0, 0, 0, 0.12);
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: #718096;
  font-size: 1.3rem;
}

/* 帮助布局 */
.help-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

/* 侧边栏 */
.help-sidebar {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  height: fit-content;
  position: sticky;
  top: 20px;
}

.help-nav {
  margin-bottom: 30px;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: #4a5568;
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-link:hover {
  background: #f7fafc;
  color: #2d3748;
  transform: translateX(4px);
}

.nav-link.active {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.nav-icon {
  font-size: 1.2rem;
}

.nav-text {
  flex: 1;
}

/* 帮助操作 */
.help-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  justify-content: center;
}

.btn-outline {
  background: white;
  color: #4a5568;
  border: 2px solid #e2e8f0;
}

.btn-outline:hover {
  background: #f7fafc;
  border-color: #cbd5e0;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 12px;
  font-size: 0.85rem;
}

/* 主内容区域 */
.help-main {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  min-height: 600px;
}

.help-section {
  max-width: none;
}

.section-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-content {
  color: #4a5568;
  line-height: 1.8;
  font-size: 1.05rem;
}

.section-content h2 {
  color: #2d3748;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.section-content h3 {
  color: #2d3748;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.section-content p {
  margin-bottom: 16px;
}

.section-content ul,
.section-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.section-content li {
  margin-bottom: 8px;
}

.section-content code {
  background: #f7fafc;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.9em;
  color: #e53e3e;
}

.section-content pre {
  background: #f7fafc;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 20px 0;
  border: 2px solid #e2e8f0;
}

/* 无结果状态 */
.no-results {
  text-align: center;
  padding: 80px 40px;
}

.no-results-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.no-results h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 12px;
}

.no-results p {
  color: #718096;
  margin-bottom: 30px;
  font-size: 1.1rem;
}

/* 快速链接 */
.quick-links {
  background: white;
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.quick-links h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 30px;
  text-align: center;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 20px;
  background: #f7fafc;
  border-radius: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid #e2e8f0;
}

.quick-link:hover {
  background: #edf2f7;
  border-color: #667eea;
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.link-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.link-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 8px;
}

.link-desc {
  color: #718096;
  text-align: center;
  font-size: 0.9rem;
}

/* 常见问题 */
.faq-shortcuts {
  background: white;
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.faq-shortcuts h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 30px;
  text-align: center;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: #f7fafc;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  width: 100%;
}

.faq-item:hover {
  background: #edf2f7;
  border-color: #cbd5e0;
  transform: translateX(4px);
}

.faq-icon {
  font-size: 1.2rem;
  color: #667eea;
}

.faq-text {
  color: #2d3748;
  font-weight: 500;
}

/* 支持区域 */
.support-section {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.support-card {
  text-align: center;
}

.support-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 16px;
}

.support-card p {
  color: #718096;
  margin-bottom: 30px;
  font-size: 1.1rem;
}

.support-contacts {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: #f7fafc;
  border-radius: 12px;
  border: 2px solid #e2e8f0;
}

.contact-icon {
  font-size: 1.3rem;
  color: #667eea;
}

.contact-text {
  color: #2d3748;
  font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .help-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .help-sidebar {
    position: static;
    order: 2;
  }
  
  .help-main {
    order: 1;
  }
}

@media (max-width: 768px) {
  .page-header {
    padding: 40px 20px 30px;
  }
  
  .page-header h2 {
    font-size: 2rem;
  }
  
  .help-content {
    padding: 20px;
  }
  
  .help-sidebar,
  .help-main,
  .quick-links,
  .faq-shortcuts,
  .support-section {
    padding: 24px;
  }
  
  .section-header h1 {
    font-size: 1.8rem;
    flex-direction: column;
    gap: 12px;
  }
  
  .links-grid {
    grid-template-columns: 1fr;
  }
  
  .support-contacts {
    flex-direction: column;
    gap: 16px;
  }
  
  .contact-item {
    justify-content: center;
  }
  
  .help-actions {
    flex-direction: row;
  }
  
  .nav-link {
    padding: 16px;
  }
}

/* 搜索高亮 */
.highlight {
  background: linear-gradient(135deg, rgba(255, 235, 59, 0.3), rgba(255, 193, 7, 0.3));
  padding: 2px 4px;
  border-radius: 4px;
  font-weight: 600;
} 